:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-border: #262b38;
  --text: #e6e8ee;
  --muted: #8a90a2;
  --accent: #4f8cff;
  --good: #35c46f;
  --bad: #e0554f;
  --warn: #e0a83a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--panel);
}

.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; }
.inline-form { display: inline; }
.inline-form button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font: inherit; padding: 0;
}
.inline-form button:hover { color: var(--text); }

.content { max-width: 1100px; margin: 0 auto; padding: 24px; }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.auth-card { max-width: 360px; margin: 60px auto; }

label { display: block; margin-bottom: 14px; font-size: 0.9rem; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  background: #0c0e14;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
}

button {
  background: var(--accent);
  border: none;
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
}
button:hover { opacity: 0.9; }
button.secondary { background: var(--panel-border); }
button.danger { background: var(--bad); }

.error { color: var(--bad); }
.muted { color: var(--muted); font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--panel-border); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.new { background: rgba(224,168,58,0.2); color: var(--warn); }
.badge.ok { background: rgba(53,196,111,0.2); color: var(--good); }

.score { font-weight: 700; font-size: 1.1rem; }
.score.good { color: var(--good); }
.score.mid { color: var(--warn); }
.score.bad { color: var(--bad); }

.trend-up { color: var(--good); }
.trend-down { color: var(--bad); }
.trend-flat { color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.segment-list { list-style: none; padding: 0; margin: 0; }
.segment-list li { padding: 10px 0; border-bottom: 1px solid var(--panel-border); }
.segment-list li:last-child { border-bottom: none; }

.diff-add { background: rgba(53,196,111,0.15); color: var(--good); }
.diff-del { background: rgba(224,85,79,0.15); color: var(--bad); text-decoration: line-through; }

.weights-form td input { width: 90px; }